Peter Drucker was an influential management consultant, educator, and author, often referred to as the "father of modern management." Born in 1909 in Austria, he later moved to the United States, where he developed many concepts that shaped the field of management. His work emphasized the importance of innovation, entrepreneurship, and the role of the manager in organizations. Drucker wrote over 30 books, including The Effective Executive and Management: Tasks, Responsibilities, Practices, which are considered essential reading for business leaders. He introduced key ideas such as management by objectives and the significance of focusing on results rather than activities, greatly impacting how organizations operate today.